package operation;

import Book.BookList;

public class ExitOperation implements IOPeration {
    public void work(BookList bookList) {
        System.out.println("退出系统");
        int currentSize= bookList.getUsedSize();
        for (int i=0;i<currentSize;i++){
            bookList.setBooks(i,null);
        }
        System.exit(0);
    }
}
